Frost dates by ZIP code: The nearest NOAA stations to your ZIP, 1991-2020 normals
Enter a five-digit ZIP code. PlainClimate finds its center (Census Bureau 2024) and the five nearest NOAA stations with frost dates, and shows each station's last spring and first autumn 32°F dates with its distance and elevation.
Frost dates near ZIP 11783
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 11783 in zone 7b (the coldest night of a typical year: 5 to 10°F).
The nearest station, Wantagh, NY, is 2 miles from the ZIP's center: its last spring frost comes after April 3 in half of years and after April 18 in one year in ten. By the USDA's method its plant hardiness zone is 8a.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Wantagh, NYWantagh Cedar Creek | 2 mi | 10 ft | April 3 | April 18 | November 11 | 8a |
| Farmingdale, NYFarmingdale Airport | 5 mi | 81 ft | April 6 | April 20 | November 6 | 7b |
| Mineola, NY | 8 mi | 96 ft | April 2 | April 16 | November 12 | 7b |
| Oceanside, NY | 8 mi | 12 ft | April 7 | April 26 | November 8 | – |
| New York JFK International Airport, NY | 15 mi | 11 ft | April 2 | April 13 | November 14 | 7b |
Frost comes later in spring at higher and colder stations and earlier in low, open ground: prefer a station at a similar elevation to yours. Hardiness zone in the table: the USDA's rule (the average of each year's coldest night, 1991-2020) applied to the station's own record.
Every frost threshold at Wantagh
NOAA publishes the dates for several temperatures and odds. A 30% spring date means a 3-in-10 chance of a later frost (the convention almanacs use); 50% is the median; 10% the cautious date.
| Threshold | Spring, 10% | Spring, 30% | Spring, 50% | Spring, 90% | Autumn, 50% | Autumn, 10% |
|---|---|---|---|---|---|---|
| 36°F (light frost) | April 30 | April 22 | April 16 | April 4 | October 30 | October 17 |
| 32°F | April 18 | April 9 | April 3 | March 19 | November 11 | October 31 |
| 28°F (hard freeze) | April 5 | March 29 | March 22 | March 5 | November 23 | November 8 |
| 24°F | March 26 | March 16 | March 10 | February 21 | December 5 | November 17 |
Source: NOAA NCEI 1991-2020 annual normals; ZIP centers: Census Bureau 2024 Gazetteer; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. Autumn 10%: one year in ten has its first frost before this date.